A new tool allows parents undergoing in vitro fertilization to screen their embryos for health issues, but is it ethical? Genetic disease is believed to be linked to 41 percent of U.S. infants' deaths ...

Successful fertility treatments, including in vitro fertilization (IVF), is often reliant on a clear understanding of developmental stages of human development. Clinicians working with assisted ...

Photo-Illustration by Chloe Dowling for TIME (Source Images: Spawns/Getty Images, Ausra Barysiene vaizdai, Billion Photos via Canva.com) In a tank across town, suspended in liquid nitrogen at -320°F, ...

For the first time, scientists have recorded a human embryo implanting into a womb in real time, a feat the researchers hope will lead to new ways to treat infertility and prevent miscarriages. "Being ...

The “world’s oldest baby” has been born from an "adopted" embryo created in 1994. This week we welcomed a record-breaking baby to the world. Thaddeus Daniel Pierce, who arrived over the weekend, ...

cases and I.V.F. disputes, the frozen embryos vials like these will hold are increasingly caught The Embryo Question is a three-part series about the cluster of cells at the crossroads of science, ...